[PATCH 1/2] arm: Add support for FPv4-SP floating point unit
Joel Sherrill
joel.sherrill at oarcorp.com
Mon Aug 11 21:12:20 UTC 2014
Is there any tool patch missing? I may be thinking of nios and I think
I committed that.
--joel
On 8/11/2014 4:02 PM, Gedare Bloom wrote:
> On Mon, Aug 11, 2014 at 4:48 PM, Sebastian Huber
> <sebastian.huber at embedded-brains.de> wrote:
>> This floating point unit is available in Cortex-M4F processors and
>> defined by ARMv7-M. This adds basic support for other VFP-D16 variants.
>> ---
>> c/src/lib/libbsp/arm/shared/start/start.S | 20 ++++++++++++++
>> cpukit/score/cpu/arm/arm-context-validate.S | 31 +++++++++++++---------
>> .../score/cpu/arm/arm-context-volatile-clobber.S | 8 +++---
>> cpukit/score/cpu/arm/arm_exc_interrupt.S | 12 ++++++---
>> cpukit/score/cpu/arm/armv4-exception-default.S | 6 +++--
>> cpukit/score/cpu/arm/armv7m-context-switch.c | 13 +++++++--
>> cpukit/score/cpu/arm/armv7m-isr-dispatch.c | 30 +++++++++++++++++----
>> cpukit/score/cpu/arm/cpu.c | 2 +-
>> cpukit/score/cpu/arm/cpu_asm.S | 4 +--
>> cpukit/score/cpu/arm/rtems/score/arm.h | 17 +++++++++---
>> cpukit/score/cpu/arm/rtems/score/armv7m.h | 22 ++++++++++++++-
>> cpukit/score/cpu/arm/rtems/score/cpu.h | 8 +++---
>> 12 files changed, 133 insertions(+), 40 deletions(-)
>>
>> diff --git a/c/src/lib/libbsp/arm/shared/start/start.S b/c/src/lib/libbsp/arm/shared/start/start.S
>> index 096e9bd..8c73b8d 100644
>> --- a/c/src/lib/libbsp/arm/shared/start/start.S
>> +++ b/c/src/lib/libbsp/arm/shared/start/start.S
>> @@ -300,6 +300,26 @@ bsp_start_vector_table_end:
>>
>> _start:
>>
>> +#ifdef ARM_MULTILIB_VFP
>> + /* CPACR is located at address 0xe000ed88 */
>> + ldr.w r0, =0xe000ed88
> Maybe the constant should be provided by a header file? The comments
> are nice though. And I didn't see anything else in the rest, although
> my arm asm is rusty.
>
>> +
>> + /* Read CPACR */
>> + ldr r1, [r0]
>> +
>> + /* Set bits 20-23 to enable CP10 and CP11 co-processors */
>> + orr r1, r1, #(0xf << 20)
>> +
>> + /* Write back the modified value to the CPACR */
>> + str r1, [r0]
>> +
>> + /* Wait for store to complete */
>> + dsb
>> +
>> + /* Reset pipeline now the FPU is enabled */
>> + isb
>> +#endif
>> +
>> ldr sp, =bsp_stack_main_end
>> ldr lr, =bsp_start_hook_0_done + 1
>> b bsp_start_hook_0
>> diff --git a/cpukit/score/cpu/arm/arm-context-validate.S b/cpukit/score/cpu/arm/arm-context-validate.S
>> index f2772b4..fdfb6c1 100644
>> --- a/cpukit/score/cpu/arm/arm-context-validate.S
>> +++ b/cpukit/score/cpu/arm/arm-context-validate.S
>> @@ -1,5 +1,5 @@
>> /*
>> - * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
>> + * Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved.
>> *
>> * embedded brains GmbH
>> * Dornierstr. 4
>> @@ -29,7 +29,7 @@
>> #define FRAME_OFFSET_R11 28
>> #define FRAME_OFFSET_LR 32
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> #define FRAME_OFFSET_D8 40
>> #define FRAME_OFFSET_D9 48
>> #define FRAME_OFFSET_D10 56
>> @@ -71,7 +71,7 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_validate)
>> mov r1, lr
>> str r1, [sp, #FRAME_OFFSET_LR]
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> vstr d8, [sp, #FRAME_OFFSET_D8]
>> vstr d9, [sp, #FRAME_OFFSET_D9]
>> vstr d10, [sp, #FRAME_OFFSET_D10]
>> @@ -96,11 +96,15 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_validate)
>> .endm
>>
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> /* R3 contains the FPSCR */
>> vmrs r3, FPSCR
>> movs r4, #0x001f
>> +#ifdef ARM_MULTILIB_ARCH_V7M
>> + movt r4, #0xf000
>> +#else
>> movt r4, #0xf800
>> +#endif
>> bic r3, r3, r4
>> and r4, r4, r0
>> orr r3, r3, r4
>> @@ -120,7 +124,7 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_validate)
>> fill_register r12
>> fill_register lr
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> .macro fill_vfp_register reg
>> add r1, r1, #1
>> vmov \reg, r1, r1
>> @@ -142,6 +146,7 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_validate)
>> fill_vfp_register d13
>> fill_vfp_register d14
>> fill_vfp_register d15
>> +#ifdef ARM_MULTILIB_VFP_D32
>> fill_vfp_register d16
>> fill_vfp_register d17
>> fill_vfp_register d18
>> @@ -158,7 +163,8 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_validate)
>> fill_vfp_register d29
>> fill_vfp_register d30
>> fill_vfp_register d31
>> -#endif
>> +#endif /* ARM_MULTILIB_VFP_D32 */
>> +#endif /* ARM_MULTILIB_VFP */
>>
>> /* Check */
>> check:
>> @@ -174,7 +180,7 @@ check:
>>
>> mov r1, r0
>>
>> -#ifndef ARM_MULTILIB_VFP_D32
>> +#ifndef ARM_MULTILIB_VFP
>> check_register r3
>> #endif
>>
>> @@ -189,7 +195,7 @@ check:
>> check_register r12
>> check_register lr
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> b check_vfp
>> #endif
>>
>> @@ -217,7 +223,7 @@ restore:
>> ldr r1, [sp, #FRAME_OFFSET_LR]
>> mov lr, r1
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> vldr d8, [sp, #FRAME_OFFSET_D8]
>> vldr d9, [sp, #FRAME_OFFSET_D9]
>> vldr d10, [sp, #FRAME_OFFSET_D10]
>> @@ -234,7 +240,7 @@ restore:
>>
>> FUNCTION_END(_CPU_Context_validate)
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> check_vfp:
>>
>> .macro check_vfp_register reg
>> @@ -270,6 +276,7 @@ check_vfp:
>> check_vfp_register d13
>> check_vfp_register d14
>> check_vfp_register d15
>> +#ifdef ARM_MULTILIB_VFP_D32
>> check_vfp_register d16
>> check_vfp_register d17
>> check_vfp_register d18
>> @@ -286,6 +293,7 @@ check_vfp:
>> check_vfp_register d29
>> check_vfp_register d30
>> check_vfp_register d31
>> +#endif /* ARM_MULTILIB_VFP_D32 */
>>
>> /* Restore r4 and r5 */
>> mov r1, r0
>> @@ -293,5 +301,4 @@ check_vfp:
>> fill_register r5
>>
>> b check
>> -
>> -#endif
>> +#endif /* ARM_MULTILIB_VFP */
>> diff --git a/cpukit/score/cpu/arm/arm-context-volatile-clobber.S b/cpukit/score/cpu/arm/arm-context-volatile-clobber.S
>> index 459acba..7970b8e 100644
>> --- a/cpukit/score/cpu/arm/arm-context-volatile-clobber.S
>> +++ b/cpukit/score/cpu/arm/arm-context-volatile-clobber.S
>> @@ -1,5 +1,5 @@
>> /*
>> - * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
>> + * Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved.
>> *
>> * embedded brains GmbH
>> * Dornierstr. 4
>> @@ -27,7 +27,7 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_volatile_clobber)
>> mov \reg, r0
>> .endm
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> vmrs r1, FPSCR
>> movs r2, #0x001f
>> movt r2, #0xf800
>> @@ -49,6 +49,7 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_volatile_clobber)
>> clobber_vfp_register d5
>> clobber_vfp_register d6
>> clobber_vfp_register d7
>> +#ifdef ARM_MULTILIB_VFP_D32
>> clobber_vfp_register d16
>> clobber_vfp_register d17
>> clobber_vfp_register d18
>> @@ -65,7 +66,8 @@ FUNCTION_THUMB_ENTRY(_CPU_Context_volatile_clobber)
>> clobber_vfp_register d29
>> clobber_vfp_register d30
>> clobber_vfp_register d31
>> -#endif
>> +#endif /* ARM_MULTILIB_VFP_D32 */
>> +#endif /* ARM_MULTILIB_VFP */
>>
>> clobber_register r1
>> clobber_register r2
>> diff --git a/cpukit/score/cpu/arm/arm_exc_interrupt.S b/cpukit/score/cpu/arm/arm_exc_interrupt.S
>> index e8026c8..7930c32 100644
>> --- a/cpukit/score/cpu/arm/arm_exc_interrupt.S
>> +++ b/cpukit/score/cpu/arm/arm_exc_interrupt.S
>> @@ -75,13 +75,15 @@ _ARMV4_Exception_interrupt:
>> stmdb sp!, CONTEXT_LIST
>> stmdb sp!, {SP_OF_INTERRUPTED_CONTEXT, lr}
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> /* Save VFP context */
>> vmrs r0, FPSCR
>> vstmdb sp!, {d0-d7}
>> +#ifdef ARM_MULTILIB_VFP_D32
>> vstmdb sp!, {d16-d31}
>> - stmdb sp!, {r0, r1}
>> #endif
>> + stmdb sp!, {r0, r1}
>> +#endif /* ARM_MULTILIB_VFP */
>>
>> /* Get per-CPU control of current processor */
>> GET_SELF_CPU_CONTROL SELF_CPU_CONTROL, r1
>> @@ -166,13 +168,15 @@ thread_dispatch_done:
>> /* Switch to ARM instructions if necessary */
>> SWITCH_FROM_THUMB_TO_ARM
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> /* Restore VFP context */
>> ldmia sp!, {r0, r1}
>> +#ifdef ARM_MULTILIB_VFP_D32
>> vldmia sp!, {d16-d31}
>> +#endif
>> vldmia sp!, {d0-d7}
>> vmsr FPSCR, r0
>> -#endif
>> +#endif /* ARM_MULTILIB_VFP */
>>
>> /* Restore SP_OF_INTERRUPTED_CONTEXT register and link register */
>> ldmia sp!, {SP_OF_INTERRUPTED_CONTEXT, lr}
>> diff --git a/cpukit/score/cpu/arm/armv4-exception-default.S b/cpukit/score/cpu/arm/armv4-exception-default.S
>> index 950ad67..8a97320 100644
>> --- a/cpukit/score/cpu/arm/armv4-exception-default.S
>> +++ b/cpukit/score/cpu/arm/armv4-exception-default.S
>> @@ -118,7 +118,7 @@ save_more_context:
>> /* Argument for high level handler */
>> mov r0, sp
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> /* Ensure that the FPU is enabled */
>> vmrs r1, FPEXC
>> tst r1, #(1 << 30)
>> @@ -132,10 +132,12 @@ save_more_context:
>> vmrs r2, FPSCR
>> stmia r4!, {r1-r2}
>> vstmia r4!, {d0-d15}
>> +#ifdef ARM_MULTILIB_VFP_D32
>> vstmia r4!, {d16-d31}
>> +#endif
>>
>> fpu_save_done:
>> -#endif
>> +#endif /* ARM_MULTILIB_VFP */
>>
>> /* Call high level handler */
>> SWITCH_FROM_ARM_TO_THUMB r1
>> diff --git a/cpukit/score/cpu/arm/armv7m-context-switch.c b/cpukit/score/cpu/arm/armv7m-context-switch.c
>> index eabf2c8..359a1a7 100644
>> --- a/cpukit/score/cpu/arm/armv7m-context-switch.c
>> +++ b/cpukit/score/cpu/arm/armv7m-context-switch.c
>> @@ -5,7 +5,7 @@
>> */
>>
>> /*
>> - * Copyright (c) 2011 Sebastian Huber. All rights reserved.
>> + * Copyright (c) 2011-2014 Sebastian Huber. All rights reserved.
>> *
>> * embedded brains GmbH
>> * Obere Lagerstr. 30
>> @@ -37,17 +37,26 @@ void __attribute__((naked)) _CPU_Context_switch(
>> "movt r2, #:upper16:_Per_CPU_Information\n"
>> "ldr r3, [r2, %[isrpcpuoff]]\n"
>> "stm r0, {r4-r11, lr}\n"
>> +#ifdef ARM_MULTILIB_VFP
>> + "add r4, r0, %[d8off]\n"
>> + "vstm r4, {d8-d15}\n"
>> +#endif
>> "str sp, [r0, %[spctxoff]]\n"
>> "str r3, [r0, %[isrctxoff]]\n"
>> "ldr r3, [r1, %[isrctxoff]]\n"
>> "ldr sp, [r1, %[spctxoff]]\n"
>> +#ifdef ARM_MULTILIB_VFP
>> + "add r4, r1, %[d8off]\n"
>> + "vldm r4, {d8-d15}\n"
>> +#endif
>> "ldm r1, {r4-r11, lr}\n"
>> "str r3, [r2, %[isrpcpuoff]]\n"
>> "bx lr\n"
>> :
>> : [spctxoff] "J" (offsetof(Context_Control, register_sp)),
>> [isrctxoff] "J" (offsetof(Context_Control, isr_nest_level)),
>> - [isrpcpuoff] "J" (offsetof(Per_CPU_Control, isr_nest_level))
>> + [isrpcpuoff] "J" (offsetof(Per_CPU_Control, isr_nest_level)),
>> + [d8off] "J" (ARM_CONTEXT_CONTROL_D8_OFFSET)
>> );
>> }
>>
>> diff --git a/cpukit/score/cpu/arm/armv7m-isr-dispatch.c b/cpukit/score/cpu/arm/armv7m-isr-dispatch.c
>> index 048ffa8..e460e9c 100644
>> --- a/cpukit/score/cpu/arm/armv7m-isr-dispatch.c
>> +++ b/cpukit/score/cpu/arm/armv7m-isr-dispatch.c
>> @@ -5,7 +5,7 @@
>> */
>>
>> /*
>> - * Copyright (c) 2011 Sebastian Huber. All rights reserved.
>> + * Copyright (c) 2011-2014 Sebastian Huber. All rights reserved.
>> *
>> * embedded brains GmbH
>> * Obere Lagerstr. 30
>> @@ -37,13 +37,27 @@ static void __attribute__((naked)) _ARMV7M_Thread_dispatch( void )
>> );
>> }
>>
>> +static void _ARMV7M_Trigger_lazy_floating_point_context_save( void )
>> +{
>> +#ifdef ARM_MULTILIB_VFP
>> + __asm__ volatile (
>> + "vmov.f32 s0, s0\n"
>> + );
>> +#endif
>> +}
>> +
>> void _ARMV7M_Pendable_service_call( void )
>> {
>> + ARMV7M_Exception_frame *ef;
>> +
>> _ISR_Nest_level = 1;
>> +
>> _ARMV7M_SCB->icsr = ARMV7M_SCB_ICSR_PENDSVCLR;
>> - ARMV7M_Exception_frame *ef = (ARMV7M_Exception_frame *) _ARMV7M_Get_PSP();
>> + _ARMV7M_Trigger_lazy_floating_point_context_save();
>> +
>> + ef = (ARMV7M_Exception_frame *) _ARMV7M_Get_PSP();
>> --ef;
>> - _ARMV7M_Set_PSP((uint32_t) ef);
>> + _ARMV7M_Set_PSP( (uint32_t) ef );
>>
>> /*
>> * According to "ARMv7-M Architecture Reference Manual" section B1.5.6
>> @@ -57,11 +71,17 @@ void _ARMV7M_Pendable_service_call( void )
>>
>> void _ARMV7M_Supervisor_call( void )
>> {
>> - ARMV7M_Exception_frame *ef = (ARMV7M_Exception_frame *) _ARMV7M_Get_PSP();
>> + ARMV7M_Exception_frame *ef;
>> +
>> + _ARMV7M_Trigger_lazy_floating_point_context_save();
>> +
>> + ef = (ARMV7M_Exception_frame *) _ARMV7M_Get_PSP();
>> ++ef;
>> - _ARMV7M_Set_PSP((uint32_t) ef);
>> + _ARMV7M_Set_PSP( (uint32_t) ef );
>> +
>> _ISR_Nest_level = 0;
>> RTEMS_COMPILER_MEMORY_BARRIER();
>> +
>> if ( _Thread_Dispatch_necessary ) {
>> _ARMV7M_Pendable_service_call();
>> }
>> diff --git a/cpukit/score/cpu/arm/cpu.c b/cpukit/score/cpu/arm/cpu.c
>> index 089826e..9942c4a 100644
>> --- a/cpukit/score/cpu/arm/cpu.c
>> +++ b/cpukit/score/cpu/arm/cpu.c
>> @@ -35,7 +35,7 @@
>> #include <rtems/score/tls.h>
>> #include <rtems/score/cpu.h>
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> RTEMS_STATIC_ASSERT(
>> offsetof( Context_Control, register_d8 ) == ARM_CONTEXT_CONTROL_D8_OFFSET,
>> ARM_CONTEXT_CONTROL_D8_OFFSET
>> diff --git a/cpukit/score/cpu/arm/cpu_asm.S b/cpukit/score/cpu/arm/cpu_asm.S
>> index d4355b4..344512b 100644
>> --- a/cpukit/score/cpu/arm/cpu_asm.S
>> +++ b/cpukit/score/cpu/arm/cpu_asm.S
>> @@ -58,7 +58,7 @@ DEFINE_FUNCTION_ARM(_CPU_Context_switch)
>> mrs r2, CPSR
>> stmia r0, {r2, r4, r5, r6, r7, r8, r9, r10, r11, r13, r14}
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> add r3, r0, #ARM_CONTEXT_CONTROL_D8_OFFSET
>> vstm r3, {d8-d15}
>> #endif
>> @@ -101,7 +101,7 @@ DEFINE_FUNCTION_ARM(_CPU_Context_switch)
>> mcr p15, 0, r3, c13, c0, 3
>> #endif
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> add r3, r1, #ARM_CONTEXT_CONTROL_D8_OFFSET
>> vldm r3, {d8-d15}
>> #endif
>> diff --git a/cpukit/score/cpu/arm/rtems/score/arm.h b/cpukit/score/cpu/arm/rtems/score/arm.h
>> index a105f17..586a8cb 100644
>> --- a/cpukit/score/cpu/arm/rtems/score/arm.h
>> +++ b/cpukit/score/cpu/arm/rtems/score/arm.h
>> @@ -50,10 +50,19 @@ extern "C" {
>> #define ARM_MULTILIB_HAS_THREAD_ID_REGISTER
>> #endif
>>
>> -#if defined(__ARM_NEON__)
>> - #define ARM_MULTILIB_VFP_D32
>> -#elif !defined(__SOFTFP__)
>> - #error "FPU support not implemented"
>> +#if !defined(__SOFTFP__)
>> + #if defined(__ARM_NEON__)
>> + #define ARM_MULTILIB_VFP_D32
>> + #elif defined(__VFP_FP__)
>> + #define ARM_MULTILIB_VFP_D16
>> + #else
>> + #error "FPU support not implemented"
>> + #endif
>> +#endif
>> +
>> +#if defined(ARM_MULTILIB_VFP_D16) \
>> + || defined(ARM_MULTILIB_VFP_D32)
>> + #define ARM_MULTILIB_VFP
>> #endif
>>
>> /*
>> diff --git a/cpukit/score/cpu/arm/rtems/score/armv7m.h b/cpukit/score/cpu/arm/rtems/score/armv7m.h
>> index b545859..c1f820b 100644
>> --- a/cpukit/score/cpu/arm/rtems/score/armv7m.h
>> +++ b/cpukit/score/cpu/arm/rtems/score/armv7m.h
>> @@ -5,7 +5,7 @@
>> */
>>
>> /*
>> - * Copyright (c) 2011 Sebastian Huber. All rights reserved.
>> + * Copyright (c) 2011-2014 Sebastian Huber. All rights reserved.
>> *
>> * embedded brains GmbH
>> * Obere Lagerstr. 30
>> @@ -47,6 +47,26 @@ typedef struct {
>> void *register_lr;
>> void *register_pc;
>> uint32_t register_xpsr;
>> +#ifdef ARM_MULTILIB_VFP
>> + uint32_t register_s0;
>> + uint32_t register_s1;
>> + uint32_t register_s2;
>> + uint32_t register_s3;
>> + uint32_t register_s4;
>> + uint32_t register_s5;
>> + uint32_t register_s6;
>> + uint32_t register_s7;
>> + uint32_t register_s8;
>> + uint32_t register_s9;
>> + uint32_t register_s10;
>> + uint32_t register_s11;
>> + uint32_t register_s12;
>> + uint32_t register_s13;
>> + uint32_t register_s14;
>> + uint32_t register_s15;
>> + uint32_t register_fpscr;
>> + uint32_t reserved;
>> +#endif
>> } ARMV7M_Exception_frame;
>>
>> typedef struct {
>> diff --git a/cpukit/score/cpu/arm/rtems/score/cpu.h b/cpukit/score/cpu/arm/rtems/score/cpu.h
>> index ad070df..089fc27 100644
>> --- a/cpukit/score/cpu/arm/rtems/score/cpu.h
>> +++ b/cpukit/score/cpu/arm/rtems/score/cpu.h
>> @@ -8,7 +8,7 @@
>> * This include file contains information pertaining to the ARM
>> * processor.
>> *
>> - * Copyright (c) 2009-2013 embedded brains GmbH.
>> + * Copyright (c) 2009-2014 embedded brains GmbH.
>> *
>> * Copyright (c) 2007 Ray Xu <Rayx.cn at gmail.com>
>> *
>> @@ -212,12 +212,12 @@
>> #define ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET 44
>> #endif
>>
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> #define ARM_CONTEXT_CONTROL_D8_OFFSET 48
>> #endif
>>
>> #ifdef RTEMS_SMP
>> - #ifdef ARM_MULTILIB_VFP_D32
>> + #ifdef ARM_MULTILIB_VFP
>> #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 112
>> #else
>> #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 48
>> @@ -278,7 +278,7 @@ typedef struct {
>> #ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER
>> uint32_t thread_id;
>> #endif
>> -#ifdef ARM_MULTILIB_VFP_D32
>> +#ifdef ARM_MULTILIB_VFP
>> uint64_t register_d8;
>> uint64_t register_d9;
>> uint64_t register_d10;
>> --
>> 1.8.1.4
>>
>> _______________________________________________
>> devel mailing list
>> devel at rtems.org
>> http://lists.rtems.org/mailman/listinfo/devel
> _______________________________________________
> devel mailing list
> devel at rtems.org
> http://lists.rtems.org/mailman/listinfo/devel
--
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill at OARcorp.com On-Line Applications Research
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